The 171-050-203L001 is a 50-position female D-sub connector featuring solder cup termination for wire attachment. It is constructed with a durable nickel-plated steel shell and a black PBT insulator compliant with UL 94V-0 standards. The connector's copper alloy contacts have gold flash plating, support a current rating of 5 amps, and include .098" 4-40 clinch nut hardware on the solder side. With a wide operating temperature range of -50°C to +100°C and a working voltage of 250 VAC, this connector is suitable for various industrial and data communication applications requiring a reliable, high-density interconnect.